Standard Wire, Steel, High Carbon, Square, Uncoated, For Mechanical Springs (General Purpose) 2003-10-03 HISTORICAL AMSW21425A This specification covers three types of uncoated, square (0.050 to 0.500 inches in width), high-carbon steel wire (see 6.1).
Standard Wire, Steel, High Carbon, Square, Uncoated, For Mechanical Springs (General Purpose) 1999-01-01 HISTORICAL AMSW21425 This specification covers three types of uncoated, square (0.050 to 0.500 inches in width), high-carbon steel wire (see 6.1).
Standard Wire, Steel, High Carbon, Square, Uncoated, for Mechanical Springs (General Purpose) 2005-02-11 CURRENT AMSW21425B This specification covers three types of uncoated, square (0.050 to 0.500 inches in width), high-carbon steel wire (see 6.1).